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Effect of ensiling treatment on secondary compounds and amino acid profile of tropical forage legumes, and implications for their pig feeding potential

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Title Effect of ensiling treatment on secondary compounds and amino acid profile of tropical forage legumes, and implications for their pig feeding potential
 
Creator Martens, Siriwan D.
Hoedtke, Sandra
Ávila, Patricia
Heinritz, Sonja
Zeyner, Annette
 
Subject feed crops
animal feeding
swine
food science
biotechnology
 
Description BACKGROUND
Smallholders in the tropics depend on local protein supplements to balance pig diets. Thus, various tropical forage legumes are a potential feeding option. Ensiling allows converting forages into a ready-to-feed-out choice, but the lactic acid fermentation may influence various (anti)nutritional components. The purpose of this study was to evaluate the effects of sucrose (SU) and a tropical Lactobacillus plantarum strain (LAB) as ensiling treatments (control, SU, LAB, LAB + SU) on the potential nutrient availability of 10 forage legume species.
RESULTS
Ensiling commonly reduced antinutritional compounds such as tannins (by 49–84%) and trypsin inhibitory activity (by 74–78%), as well as oxalic acid (by 51–100%). An improved potential absorbability of protein and minerals for pigs is thus inferred. There was no major loss in total amino acids. In general, the species effect was stronger than the treatment effect. A clear effect of the treatments SU, LAB and LAB + SU over all 10 forage species was only observed for oxalic acid, single amino acids and trypsin inhibitory activity.
CONCLUSION
Ensiling is a viable option to enhance nutrient utilization of tropical forages for pigs. Species-specific treatment of forage legumes is recommended. © 2013 Society of Chemical Industry
 
Date 2014-04
2013-08-18T14:42:59Z
2013-08-18T14:42:59Z
 
Type Journal Article
 
Identifier Martens SD, Hoedtke S, Avila P, Heinritz S, Zeyner A. 2013. Effect of ensiling treatment on secondary compounds and amino acid profile of tropical forage legumes, and implications for their pig feeding potential. Journal of the Science of Food and Agriculture 94(6):1107–1115.
0022-5142
https://hdl.handle.net/10568/42151
https://doi.org/10.1002/jsfa.6375
 
Language en
 
Rights Copyrighted; all rights reserved
Limited Access
 
Format p. 1107-1115
 
Publisher Wiley
 
Source Journal of the Science of Food and Agriculture